Abstract: Providing is a heating arrangement for bonding a protective shell to a wind turbine blade, including a heating blanket with a first portion and a second portion of a heatable structure, wherein the first portion and the second portion adjoin at a fold of the heating blanket, wherein the fold is curved equally or substantially equally to a curvature of an edge of the wind turbine blade or of a segment of an edge of the wind turbine blade, wherein the heating blanket is mountable to a surface of the wind turbine blade in such manner that the fold abuts the edge or the segment of the edge and that the first portion and the second portion each abuts the surface of the wind turbine blade.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of at least one of the first and second protective covers outside the overlap portions.

Abstract: A protective shield for a rotor blade of a wind turbine is provided. The shield protects the leading edge section of the rotor blade from erosion, and covers at least a part of the leading edge of the rotor blade. The shield is preformed with a shape which approximately corresponds to the contour of the leading edge section where it is destined to be mounted to. The shield includes a mark which allows to accurately position the shield at a predetermined position on the surface of the rotor blade or which allows to accurately position a tool at a predetermined position on the surface of the shield. A method of accurately positioning a protective shield on the surface of a rotor blade of a wind turbine and a method of documenting how precisely the shield has actually been attached to the surface of the rotor blade is also provided.

Abstract: A protective cover for a leading-edge of a wind turbine rotor blade is provided. The protective cover is pre-formed into a curved shape to accommodate at least a part of a leading-edge section including the leading-edge of the wind turbine rotor blade to be protected. The protective cover includes a pressure side section, a suction side section and a centerline in-between the pressure side section and the suction side section. The centerline runs in longitudinal direction of the protective cover. Thickness of the protective cover in a cross section of the protective cover in transverse direction has a thickness distribution corresponding to a standardized normal distribution.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of the first or second protective covers outside the overlap portions.

Abstract: Provided is an adhesive sheet for mounting a protective shell to a wind turbine blade, wherein the adhesive sheet includes a hot-melt adhesive layer, wherein on at least one surface of the adhesive layer, at least one fixation structure consisting of a pressure-sensitive adhesive is attached.

Abstract: Providing is a heating arrangement for bonding a protective shell to a wind turbine blade, including a heating blanket with a first portion and a second portion of a heatable structure, wherein the first portion and the second portion adjoin at a fold of the heating blanket, wherein the fold is curved equally or substantially equally to a curvature of an edge of the wind turbine blade or of a segment of an edge of the wind turbine blade, wherein the heating blanket is mountable to a surface of the wind turbine blade in such manner that the fold abuts the edge or the segment of the edge and that the first portion and the second portion each abuts the surface of the wind turbine blade.

Abstract: Provided is a method of applying a protective layer to an outer surfaced of a wind turbine rotor blade, which method includes the steps of preparing a protective layer for application to the outer surface of the rotor blade; providing an air exit channel between the rotor blade and the protective layer; attaching the protective layer to the outer surface of the rotor blade; and extracting air through the air exit channel. Further provided is a wind turbine rotor blade including a protective layer applied to an outer surface of the rotor blade using such a method.

Abstract: Provided is a guiding tool for a surface trimming device, including a main body with a front side base portion and a backside base portion, which are connected by at least one connection portion of the main body, wherein the main body exhibits a recess on a bottom side between the front side base portion and the backside base portion, wherein the main body includes a fixation device on a top side of the main body opposing the recess, wherein a surface trimming device is mountable to the fixation device in such manner that a movable device or trimmer of the surface trimming device is located in the recess between the front side base portion and the back side base portion.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of at least one of the first and second protective covers outside the overlap portions.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of the first or second protective covers outside the overlap portions.

Abstract: A protective shield for a rotor blade of a wind turbine is provided. The shield protects the leading edge section of the rotor blade from erosion, and covers at least a part of the leading edge of the rotor blade. The shield is preformed with a shape which approximately corresponds to the contour of the leading edge section where it is destined to be mounted to. The shield includes a mark which allows to accurately position the shield at a predetermined position on the surface of the rotor blade or which allows to accurately position a tool at a predetermined position on the surface of the shield. A method of accurately positioning a protective shield on the surface of a rotor blade of a wind turbine and a method of documenting how precisely the shield has actually been attached to the surface of the rotor blade is also provided.

Abstract: Provided is a method of applying a protective layer to an outer surfaced of a wind turbine rotor blade, which method includes the steps of preparing a protective layer for application to the outer surface of the rotor blade; providing an air exit channel between the rotor blade and the protective layer; attaching the protective layer to the outer surface of the rotor blade; and extracting air through the air exit channel. Further provided is a wind turbine rotor blade including a protective layer applied to an outer surface of the rotor blade using such a method.

Abstract: A protective cover for a leading-edge of a wind turbine rotor blade is provided. The protective cover is pre-formed into a curved shape to accommodate at least a part of a leading-edge section including the leading-edge of the wind turbine rotor blade to be protected. The protective cover includes a pressure side section, a suction side section and a centerline in-between the pressure side section and the suction side section. The centerline runs in longitudinal direction of the protective cover. Thickness of the protective cover in a cross section of the protective cover in transverse direction has a thickness distribution corresponding to a standardized normal distribution.

Abstract: A mounting ring arrangement adapted for alignment of root bushings in a rotor blade root end during a rotor blade assembly step includes a mounting ring segment; and a partial mounting ring, which partial mounting ring is a closed annular component and includes a recess dimensioned to accommodate the mounting ring segment. A method of manufacturing a rotor blade, includes (A) arranging a fiber layup in a first blade mold and arranging a fiber layup in a second blade mold; (B) arranging the partial mounting ring of a mounting ring arrangement in the first blade mold and arranging the mounting ring segment of the mounting ring arrangement in the second blade mold; and (C) joining the first and second blade molds such that the partial mounting ring and the mounting ring segment join to form a full mounting ring.

Abstract: A root bushing for a blade root of a wind turbine rotor blade, including a cylindrical bushing body and a flat contact body is provided. The contact body is provided on a face of the bushing body. This has the advantage that due to the provision of the contact body, the contact area between the root bushing and the pitch bearing is increased. In another embodiment, the root bushing includes a central bore which protrudes through the bushing body and the contact body. In another embodiment, an outer wall of the bushing body is provided with a connection structure for connecting the root bushing to a composite material of the wind turbine rotor blade.

Abstract: A rotor blade of a wind turbine with a first rotor blade segment and a second rotor blade segment is provided. The rotor blade has a hollow space surrounded by a shell. The first rotor blade segment is connected with the second rotor blade segment by a bolt connection. The bolt connection has a first connection of the first rotor blade segment, a second connection of the second rotor blade segment, and a bolt establishing a bolted joint between the first connection and the second connection. At least the bolt is situated in the hollow space of the rotor blade. Furthermore, a method of connecting a first rotor blade segment of a rotor blade of a wind turbine and a second rotor blade segment of the rotor blade is provided.

Abstract: A mounting ring arrangement adapted for alignment of root bushings in a rotor blade root end during a rotor blade assembly step includes a mounting ring segment; and a partial mounting ring, which partial mounting ring is a closed annular component and includes a recess dimensioned to accommodate the mounting ring segment. A method of manufacturing a rotor blade, includes (A) arranging a fibre layup in a first blade mould and arranging a fibre layup in a second blade mould; (B) arranging the partial mounting ring of a mounting ring arrangement in the first blade mould and arranging the mounting ring segment of the mounting ring arrangement in the second blade mould; and (C) joining the first and second blade moulds such that the partial mounting ring and the mounting ring segment join to form a full mounting ring.

Abstract: A root bushing for a blade root of a wind turbine rotor blade, a blade root, a wind turbine rotor blade, a wind turbine and a method for manufacturing a root bushing are provided herein. A root bushing for a blade root of a wind turbine rotor blade, having a bushing body and a corrosion protective layer, wherein the corrosion protective layer is provided on a face of the bushing body and wherein the corrosion protective layer is applied to the face in a cold-deforming process is provided herein. This has the advantage that due to the fact that the corrosion protective layer is applied in a cold-deforming process, the application of the corrosion protective layer does not influence the mechanical properties of the material of the bushing body.

Abstract: A root bushing for a blade root of a wind turbine rotor blade is provided, wherein the root bushing has a bushing body and a connecting body for connecting the wind turbine rotor blade to a hub of a wind turbine and wherein the connecting body is releasably connected to the bushing body. A blade root, a wind turbine rotor blade, and a wind turbine are also provided.